Introduction
The OasiSmile L8 Water Flosser is a portable, cordless oral irrigator designed for effective teeth cleaning and improved oral health. It utilizes high-frequency pulsed water flow to remove food residues and dental plaque from hard-to-reach areas, promoting healthier gums and fresher breath. This manual provides essential information for the safe and efficient use of your device.
Safety Information
Important: Do not charge the device while wet. Keep away from children. Do not use if you have certain medical conditions. Always follow the instructions provided with the device. Ensure the charging port cover is securely closed before using the device in the shower or near water.
Package Contents
Your OasiSmile L8 Water Flosser package includes:
- 1 x OasiSmile L8 Water Flosser unit
- 5 x Interchangeable Nozzles (2 Standard Jet Tips, 1 Periodontal Jet Tip, 1 Orthodontic Tip, 1 Tongue Scraper)
- 1 x USB-C Charging Cable
- 1 x User Manual

Image: Contents of the OasiSmile L8 Water Flosser package.
Setup
1. Charging the Device
Before first use, fully charge your OasiSmile L8 Water Flosser. Connect the provided USB-C charging cable to the charging port on the device and a suitable power source. A full charge takes approximately 4 hours and provides up to 30 days of battery life.

Image: The water flosser connected for charging via its USB-C port.
2. Filling the Water Tank
The device features a removable 300ml water tank. Open the water tank cover and fill it with warm water. For individuals with sensitive teeth, using warm water is recommended to avoid discomfort. Securely close the water tank cover after filling.

Image: Detachable water tank being filled with water.
3. Attaching a Nozzle
Select one of the five interchangeable nozzles suitable for your needs. Firmly insert the chosen nozzle into the opening at the top of the main unit until it clicks into place. The nozzles are designed to rotate 360° for efficient cleaning of all areas of the mouth.

Image: Various nozzles for different oral care needs.
Operating Instructions
1. Selecting a Cleaning Mode
The OasiSmile L8 Water Flosser offers four distinct cleaning modes to cater to various oral health requirements:
- Powerful: For deep and fast cleaning.
- Standard: Ideal for daily cleaning.
- Gentle: Recommended for beginners and individuals with sensitive teeth.
- DIY: Allows precise adjustment of water pressure from 20-140 PSI for a customized experience.
Press the 'Mode' button to cycle through these settings. The device features a thoughtful memory function that automatically saves your last used mode for convenience.

Image: Control panel displaying the four cleaning modes.
2. Flossing Technique
Lean over a sink and place the nozzle tip into your mouth. Turn on the device using the 'On/Off' button. Guide the water jet along your teeth and gum lines, maintaining a 90-degree angle to effectively remove food particles and plaque. Move systematically to clean all areas of your mouth. The device has a 2-minute smart timer for optimal cleaning duration.
Video: Demonstration of the OasiSmile L8 Water Flosser in use, showing proper technique for teeth cleaning.
Maintenance
Cleaning
After each use, remove the nozzle and detach the water tank. Clean both the nozzle and the water tank with mild soap and warm water. Rinse thoroughly and allow all parts to air dry completely before reassembling or storing the device.
Storage
Store the OasiSmile L8 Water Flosser in a clean, dry place away from direct sunlight and extreme temperatures. Ensure the nozzle and water tank are attached and dry before storage.

Image: The water flosser is IPX7 waterproof, allowing for safe use in wet environments.
Troubleshooting
If you encounter any issues with your OasiSmile L8 Water Flosser, please consider the following:
- Device does not turn on: Ensure the device is fully charged.
- Weak water flow: Check the water tank level and ensure the nozzle is correctly attached and not clogged.
- Water leakage: Verify that the water tank is securely attached and the charging port cover is tightly closed.
For persistent issues or further assistance, please refer to the complete user manual included in the packaging or contact OasiSmile customer support.
Specifications
| Model Number | L8-0719 |
| Water Tank Capacity | 300ml |
| Water Pressure Range | 20-140 PSI |
| Pulse Frequency | 1600-1800 times/minute |
| Battery Life | Up to 30 days (after 4-hour charge) |
| Waterproof Rating | IPX7 |
| Power Source | Battery Powered |
| Dimensions | 9.65 x 3.98 x 2.72 inches |
| Weight | 1.01 Pounds |
Warranty and Support
For detailed warranty information, product registration, or to contact customer support, please refer to the documentation included in your product packaging or visit the official OasiSmile website. Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.